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Add g_str_is_ascii()

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Add a function for checking if a string is pure ASCII.

https://bugzilla.gnome.org/show_bug.cgi?id=709753
This commit is contained in:
Ryan Lortie
2013-10-14 14:36:34 -04:00
parent c4c3ee6087
commit 4c510801cf
3 changed files with 26 additions and 0 deletions
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1
docs/reference/glib/glib-sections.txt
View File

@@ -1302,6 +1302,7 @@ g_vasprintf
g_printf_string_upper_bound g_printf_string_upper_bound
<SUBSECTION> <SUBSECTION>
g_str_is_ascii
g_ascii_isalnum g_ascii_isalnum
g_ascii_isalpha g_ascii_isalpha
g_ascii_iscntrl g_ascii_iscntrl

23
glib/gstrfuncs.c
View File

@@ -1527,6 +1527,29 @@ g_ascii_strup (const gchar *str,
return result; return result;
} }
/**
* g_str_is_ascii:
* @string: a string.
*
* Determines if a string is pure ASCII. A string is pure ASCII if it
* contains no bytes with the high bit set.
*
* Returns: %TRUE if @string is ascii
*
* Since: 2.40
**/
gboolean
g_str_is_ascii (const gchar *string)
{
gint i;
for (i = 0; string[i]; i++)
if (string[i] & 0x80)
return FALSE;
return TRUE;
}
/** /**
* g_strdown: * g_strdown:
* @string: the string to convert. * @string: the string to convert.

2
glib/gstrfuncs.h
View File

@@ -195,6 +195,8 @@ GLIB_AVAILABLE_IN_ALL
gchar* g_ascii_strup (const gchar *str, gchar* g_ascii_strup (const gchar *str,
gssize len) G_GNUC_MALLOC; gssize len) G_GNUC_MALLOC;
GLIB_AVAILABLE_IN_2_40
gboolean g_str_is_ascii (const gchar *str);
GLIB_DEPRECATED GLIB_DEPRECATED
gint g_strcasecmp (const gchar *s1, gint g_strcasecmp (const gchar *s1,